package JavaBean;

import java.lang.reflect.Constructor;

public class AccessPersonConstructors {
    public static void main(String[] args) {
        try{
            Class clz = Class.forName("JavaBean.Person");
            Constructor c1 = clz.getDeclaredConstructor();
            Object obj = c1.newInstance();
            System.out.println(obj);

            Constructor c2 = clz.getDeclaredConstructor(String.class);
            c2.setAccessible(true);
            obj = c2.newInstance("New Person");
            System.out.println(obj);

            Constructor c3 = clz.getDeclaredConstructor(String.class,String.class,String.class);
            c3.setAccessible(true);
            obj = c3.newInstance("New Person","beijing","Hello!");
            System.out.println(obj);
        }catch (Exception e){
            e.printStackTrace();
        }
    }
}
